<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    <a name="line.1"></a>
<FONT color="green">002</FONT>    /*<a name="line.2"></a>
<FONT color="green">003</FONT>     * Copyright (C) 2010 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<FONT color="green">004</FONT>     *<a name="line.4"></a>
<FONT color="green">005</FONT>     * $Id: Client.html 32 2010-11-22 22:54:34Z archie.cobbs $<a name="line.5"></a>
<FONT color="green">006</FONT>     */<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    package org.dellroad.jvser.client;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    import java.io.BufferedReader;<a name="line.10"></a>
<FONT color="green">011</FONT>    import java.io.IOException;<a name="line.11"></a>
<FONT color="green">012</FONT>    import java.io.InputStreamReader;<a name="line.12"></a>
<FONT color="green">013</FONT>    import java.net.InetAddress;<a name="line.13"></a>
<FONT color="green">014</FONT>    import java.util.regex.Matcher;<a name="line.14"></a>
<FONT color="green">015</FONT>    import java.util.regex.Pattern;<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>    import javax.comm.SerialPort;<a name="line.17"></a>
<FONT color="green">018</FONT>    import javax.comm.SerialPortEvent;<a name="line.18"></a>
<FONT color="green">019</FONT>    import javax.comm.SerialPortEventListener;<a name="line.19"></a>
<FONT color="green">020</FONT>    import javax.comm.UnsupportedCommOperationException;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>    import org.apache.log4j.Logger;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.dellroad.jvser.TelnetSerialPort;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>    /**<a name="line.25"></a>
<FONT color="green">026</FONT>     * A simple command line client.<a name="line.26"></a>
<FONT color="green">027</FONT>     */<a name="line.27"></a>
<FONT color="green">028</FONT>    public class Client implements SerialPortEventListener {<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>        private static final String DATA_ENCODING = "ISO-8859-1";<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>        protected final Logger log = Logger.getLogger(getClass());<a name="line.32"></a>
<FONT color="green">033</FONT>    <a name="line.33"></a>
<FONT color="green">034</FONT>        private final InetAddress host;<a name="line.34"></a>
<FONT color="green">035</FONT>        private final int tcpPort;<a name="line.35"></a>
<FONT color="green">036</FONT>        private final boolean useThread;<a name="line.36"></a>
<FONT color="green">037</FONT>        private final boolean logInput;<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>        private TelnetSerialPort port;<a name="line.39"></a>
<FONT color="green">040</FONT>        private boolean done;<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>        private int baudRate = 9600;<a name="line.42"></a>
<FONT color="green">043</FONT>        private int dataBits = SerialPort.DATABITS_8;<a name="line.43"></a>
<FONT color="green">044</FONT>        private int stopBits = SerialPort.STOPBITS_1;<a name="line.44"></a>
<FONT color="green">045</FONT>        private int parity = SerialPort.PARITY_NONE;<a name="line.45"></a>
<FONT color="green">046</FONT>        private int flowControl = SerialPort.FLOWCONTROL_NONE;<a name="line.46"></a>
<FONT color="green">047</FONT>        private boolean dtr = true;<a name="line.47"></a>
<FONT color="green">048</FONT>        private boolean rts = true;<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>        /**<a name="line.50"></a>
<FONT color="green">051</FONT>         * Constructor.<a name="line.51"></a>
<FONT color="green">052</FONT>         *<a name="line.52"></a>
<FONT color="green">053</FONT>         * @param host host to connect to<a name="line.53"></a>
<FONT color="green">054</FONT>         * @param tcpPort TCP to connect to<a name="line.54"></a>
<FONT color="green">055</FONT>         * @param useThread spawn a thread to read input<a name="line.55"></a>
<FONT color="green">056</FONT>         * @param logInput display input using log messages (for debugging)<a name="line.56"></a>
<FONT color="green">057</FONT>         */<a name="line.57"></a>
<FONT color="green">058</FONT>        public Client(InetAddress host, int tcpPort, boolean useThread, boolean logInput) {<a name="line.58"></a>
<FONT color="green">059</FONT>            this.host = host;<a name="line.59"></a>
<FONT color="green">060</FONT>            this.tcpPort = tcpPort;<a name="line.60"></a>
<FONT color="green">061</FONT>            this.useThread = useThread;<a name="line.61"></a>
<FONT color="green">062</FONT>            this.logInput = logInput;<a name="line.62"></a>
<FONT color="green">063</FONT>        }<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>        /**<a name="line.65"></a>
<FONT color="green">066</FONT>         * Initiate connection and perform client function.<a name="line.66"></a>
<FONT color="green">067</FONT>         */<a name="line.67"></a>
<FONT color="green">068</FONT>        public void run() throws Exception {<a name="line.68"></a>
<FONT color="green">069</FONT>    <a name="line.69"></a>
<FONT color="green">070</FONT>            // Sanity check<a name="line.70"></a>
<FONT color="green">071</FONT>            if (this.port != null)<a name="line.71"></a>
<FONT color="green">072</FONT>                throw new IllegalStateException();<a name="line.72"></a>
<FONT color="green">073</FONT>    <a name="line.73"></a>
<FONT color="green">074</FONT>            // Setup port<a name="line.74"></a>
<FONT color="green">075</FONT>            this.port = new TelnetSerialPort();<a name="line.75"></a>
<FONT color="green">076</FONT>            this.port.setSerialPortParams(this.baudRate, this.dataBits, this.stopBits, this.parity);<a name="line.76"></a>
<FONT color="green">077</FONT>            this.port.setFlowControlMode(this.flowControl);<a name="line.77"></a>
<FONT color="green">078</FONT>            this.port.addEventListener(this);<a name="line.78"></a>
<FONT color="green">079</FONT>            this.port.notifyOnBreakInterrupt(true);<a name="line.79"></a>
<FONT color="green">080</FONT>            this.port.notifyOnCarrierDetect(true);<a name="line.80"></a>
<FONT color="green">081</FONT>            this.port.notifyOnCTS(true);<a name="line.81"></a>
<FONT color="green">082</FONT>            this.port.notifyOnDataAvailable(true);<a name="line.82"></a>
<FONT color="green">083</FONT>            this.port.notifyOnDSR(true);<a name="line.83"></a>
<FONT color="green">084</FONT>            this.port.notifyOnFramingError(true);<a name="line.84"></a>
<FONT color="green">085</FONT>            this.port.notifyOnOutputEmpty(true);<a name="line.85"></a>
<FONT color="green">086</FONT>            this.port.notifyOnOverrunError(true);<a name="line.86"></a>
<FONT color="green">087</FONT>            this.port.notifyOnParityError(true);<a name="line.87"></a>
<FONT color="green">088</FONT>            this.port.notifyOnRingIndicator(true);<a name="line.88"></a>
<FONT color="green">089</FONT>            this.port.setRTS(this.rts);<a name="line.89"></a>
<FONT color="green">090</FONT>            this.port.setDTR(this.dtr);<a name="line.90"></a>
<FONT color="green">091</FONT>    <a name="line.91"></a>
<FONT color="green">092</FONT>            // Connect port<a name="line.92"></a>
<FONT color="green">093</FONT>            log.info("connecting to " + this.host + ":" + this.tcpPort);<a name="line.93"></a>
<FONT color="green">094</FONT>            this.port.getTelnetClient().connect(this.host, this.tcpPort);<a name="line.94"></a>
<FONT color="green">095</FONT>            this.port.getTelnetClient().setTcpNoDelay(true);<a name="line.95"></a>
<FONT color="green">096</FONT>            //this.port.getTelnetClient().setKeepAlive(true);<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>            // Spawn reader thread if needed<a name="line.98"></a>
<FONT color="green">099</FONT>            if (this.useThread) {<a name="line.99"></a>
<FONT color="green">100</FONT>                Thread reader = new Thread() {<a name="line.100"></a>
<FONT color="green">101</FONT>    <a name="line.101"></a>
<FONT color="green">102</FONT>                    @Override<a name="line.102"></a>
<FONT color="green">103</FONT>                    public void run() {<a name="line.103"></a>
<FONT color="green">104</FONT>                        while (!Client.this.done)<a name="line.104"></a>
<FONT color="green">105</FONT>                            Client.this.readData();<a name="line.105"></a>
<FONT color="green">106</FONT>                    }<a name="line.106"></a>
<FONT color="green">107</FONT>                };<a name="line.107"></a>
<FONT color="green">108</FONT>                reader.setDaemon(false);<a name="line.108"></a>
<FONT color="green">109</FONT>                reader.start();<a name="line.109"></a>
<FONT color="green">110</FONT>            }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>            // Main loop<a name="line.112"></a>
<FONT color="green">113</FONT>            log.info("available commands: !break !speed !geom !flow !rts !dtr !close");<a name="line.113"></a>
<FONT color="green">114</FONT>            BufferedReader reader = new BufferedReader(new InputStreamReader(System.in, DATA_ENCODING));<a name="line.114"></a>
<FONT color="green">115</FONT>            while (!this.done) {<a name="line.115"></a>
<FONT color="green">116</FONT>    <a name="line.116"></a>
<FONT color="green">117</FONT>                // Read keyboard input<a name="line.117"></a>
<FONT color="green">118</FONT>                String line = reader.readLine();<a name="line.118"></a>
<FONT color="green">119</FONT>                line += "\r\n";<a name="line.119"></a>
<FONT color="green">120</FONT>    <a name="line.120"></a>
<FONT color="green">121</FONT>                // Handle special commands<a name="line.121"></a>
<FONT color="green">122</FONT>                if (line.charAt(0) == '!') {<a name="line.122"></a>
<FONT color="green">123</FONT>                    String[] cmd = line.substring(1).trim().split("\\s");<a name="line.123"></a>
<FONT color="green">124</FONT>                    if (cmd.length == 0 || cmd[0].length() == 0)<a name="line.124"></a>
<FONT color="green">125</FONT>                        continue;<a name="line.125"></a>
<FONT color="green">126</FONT>                    if (cmd[0].equals("close")) {<a name="line.126"></a>
<FONT color="green">127</FONT>                        this.done = true;<a name="line.127"></a>
<FONT color="green">128</FONT>                        continue;<a name="line.128"></a>
<FONT color="green">129</FONT>                    }<a name="line.129"></a>
<FONT color="green">130</FONT>                    handleCommand(line.substring(1).trim().split("\\s"));<a name="line.130"></a>
<FONT color="green">131</FONT>                    continue;<a name="line.131"></a>
<FONT color="green">132</FONT>                }<a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>                // Handle plain data<a name="line.134"></a>
<FONT color="green">135</FONT>                byte[] data = line.getBytes(DATA_ENCODING);<a name="line.135"></a>
<FONT color="green">136</FONT>                this.port.getOutputStream().write(data);<a name="line.136"></a>
<FONT color="green">137</FONT>                this.port.getOutputStream().flush();<a name="line.137"></a>
<FONT color="green">138</FONT>            }<a name="line.138"></a>
<FONT color="green">139</FONT>    <a name="line.139"></a>
<FONT color="green">140</FONT>            // Close port<a name="line.140"></a>
<FONT color="green">141</FONT>            this.port.close();<a name="line.141"></a>
<FONT color="green">142</FONT>        }<a name="line.142"></a>
<FONT color="green">143</FONT>    <a name="line.143"></a>
<FONT color="green">144</FONT>        private void handleCommand(String[] cmd) throws UnsupportedCommOperationException {<a name="line.144"></a>
<FONT color="green">145</FONT>            if (cmd[0].equals("break") &amp;&amp; cmd.length == 1) {<a name="line.145"></a>
<FONT color="green">146</FONT>                this.port.sendBreak(500);<a name="line.146"></a>
<FONT color="green">147</FONT>                return;<a name="line.147"></a>
<FONT color="green">148</FONT>            }<a name="line.148"></a>
<FONT color="green">149</FONT>            if (cmd[0].equals("speed") &amp;&amp; cmd.length == 2) {<a name="line.149"></a>
<FONT color="green">150</FONT>                try {<a name="line.150"></a>
<FONT color="green">151</FONT>                    this.baudRate = Integer.parseInt(cmd[1]);<a name="line.151"></a>
<FONT color="green">152</FONT>                } catch (NumberFormatException e) {<a name="line.152"></a>
<FONT color="green">153</FONT>                    log.error("invalid baud rate: " + e);<a name="line.153"></a>
<FONT color="green">154</FONT>                    return;<a name="line.154"></a>
<FONT color="green">155</FONT>                }<a name="line.155"></a>
<FONT color="green">156</FONT>                log.info("setting baud rate to " + this.baudRate);<a name="line.156"></a>
<FONT color="green">157</FONT>                this.port.setSerialPortParams(this.baudRate, this.dataBits, this.stopBits, this.parity);<a name="line.157"></a>
<FONT color="green">158</FONT>                return;<a name="line.158"></a>
<FONT color="green">159</FONT>            }<a name="line.159"></a>
<FONT color="green">160</FONT>            if (cmd[0].equals("geom") &amp;&amp; cmd.length == 2) {<a name="line.160"></a>
<FONT color="green">161</FONT>                Matcher matcher = Pattern.compile("([5678])([NEOMS])(1|2|1.5)").matcher(cmd[1].toUpperCase());<a name="line.161"></a>
<FONT color="green">162</FONT>                if (!matcher.matches()) {<a name="line.162"></a>
<FONT color="green">163</FONT>                    log.error("invalid geometry `" + cmd[1] + "'");<a name="line.163"></a>
<FONT color="green">164</FONT>                    return;<a name="line.164"></a>
<FONT color="green">165</FONT>                }<a name="line.165"></a>
<FONT color="green">166</FONT>                switch (Integer.parseInt(matcher.group(1))) {<a name="line.166"></a>
<FONT color="green">167</FONT>                case 5:<a name="line.167"></a>
<FONT color="green">168</FONT>                    this.dataBits = SerialPort.DATABITS_5;<a name="line.168"></a>
<FONT color="green">169</FONT>                    break;<a name="line.169"></a>
<FONT color="green">170</FONT>                case 6:<a name="line.170"></a>
<FONT color="green">171</FONT>                    this.dataBits = SerialPort.DATABITS_6;<a name="line.171"></a>
<FONT color="green">172</FONT>                    break;<a name="line.172"></a>
<FONT color="green">173</FONT>                case 7:<a name="line.173"></a>
<FONT color="green">174</FONT>                    this.dataBits = SerialPort.DATABITS_7;<a name="line.174"></a>
<FONT color="green">175</FONT>                    break;<a name="line.175"></a>
<FONT color="green">176</FONT>                case 8:<a name="line.176"></a>
<FONT color="green">177</FONT>                    this.dataBits = SerialPort.DATABITS_8;<a name="line.177"></a>
<FONT color="green">178</FONT>                    break;<a name="line.178"></a>
<FONT color="green">179</FONT>                default:<a name="line.179"></a>
<FONT color="green">180</FONT>                    break;<a name="line.180"></a>
<FONT color="green">181</FONT>                }<a name="line.181"></a>
<FONT color="green">182</FONT>                switch (matcher.group(2).charAt(0)) {<a name="line.182"></a>
<FONT color="green">183</FONT>                case 'N':<a name="line.183"></a>
<FONT color="green">184</FONT>                    this.parity = SerialPort.PARITY_NONE;<a name="line.184"></a>
<FONT color="green">185</FONT>                    break;<a name="line.185"></a>
<FONT color="green">186</FONT>                case 'E':<a name="line.186"></a>
<FONT color="green">187</FONT>                    this.parity = SerialPort.PARITY_EVEN;<a name="line.187"></a>
<FONT color="green">188</FONT>                    break;<a name="line.188"></a>
<FONT color="green">189</FONT>                case 'O':<a name="line.189"></a>
<FONT color="green">190</FONT>                    this.parity = SerialPort.PARITY_ODD;<a name="line.190"></a>
<FONT color="green">191</FONT>                    break;<a name="line.191"></a>
<FONT color="green">192</FONT>                case 'M':<a name="line.192"></a>
<FONT color="green">193</FONT>                    this.parity = SerialPort.PARITY_MARK;<a name="line.193"></a>
<FONT color="green">194</FONT>                    break;<a name="line.194"></a>
<FONT color="green">195</FONT>                case 'S':<a name="line.195"></a>
<FONT color="green">196</FONT>                    this.parity = SerialPort.PARITY_SPACE;<a name="line.196"></a>
<FONT color="green">197</FONT>                    break;<a name="line.197"></a>
<FONT color="green">198</FONT>                default:<a name="line.198"></a>
<FONT color="green">199</FONT>                    break;<a name="line.199"></a>
<FONT color="green">200</FONT>                }<a name="line.200"></a>
<FONT color="green">201</FONT>                if (matcher.group(3).equals("1"))<a name="line.201"></a>
<FONT color="green">202</FONT>                    this.stopBits = SerialPort.STOPBITS_1;<a name="line.202"></a>
<FONT color="green">203</FONT>                else if (matcher.group(3).equals("2"))<a name="line.203"></a>
<FONT color="green">204</FONT>                    this.stopBits = SerialPort.STOPBITS_2;<a name="line.204"></a>
<FONT color="green">205</FONT>                else if (matcher.group(3).equals("1.5"))<a name="line.205"></a>
<FONT color="green">206</FONT>                    this.stopBits = SerialPort.STOPBITS_1_5;<a name="line.206"></a>
<FONT color="green">207</FONT>                log.info("setting geometry to " + cmd[1]);<a name="line.207"></a>
<FONT color="green">208</FONT>                this.port.setSerialPortParams(this.baudRate, this.dataBits, this.stopBits, this.parity);<a name="line.208"></a>
<FONT color="green">209</FONT>                return;<a name="line.209"></a>
<FONT color="green">210</FONT>            }<a name="line.210"></a>
<FONT color="green">211</FONT>            if (cmd[0].equals("flow") &amp;&amp; cmd.length == 2) {<a name="line.211"></a>
<FONT color="green">212</FONT>                boolean outbound;<a name="line.212"></a>
<FONT color="green">213</FONT>                if (cmd[1].equals("none"))<a name="line.213"></a>
<FONT color="green">214</FONT>                    this.flowControl = SerialPort.FLOWCONTROL_NONE;<a name="line.214"></a>
<FONT color="green">215</FONT>                else if (cmd[1].equals("xonxoff"))<a name="line.215"></a>
<FONT color="green">216</FONT>                    this.flowControl = SerialPort.FLOWCONTROL_XONXOFF_IN | SerialPort.FLOWCONTROL_XONXOFF_OUT;<a name="line.216"></a>
<FONT color="green">217</FONT>                else if (cmd[1].equals("hardware") || cmd[1].equals("hw"))<a name="line.217"></a>
<FONT color="green">218</FONT>                    this.flowControl = SerialPort.FLOWCONTROL_RTSCTS_IN | SerialPort.FLOWCONTROL_RTSCTS_OUT;<a name="line.218"></a>
<FONT color="green">219</FONT>                else {<a name="line.219"></a>
<FONT color="green">220</FONT>                    log.error("invalid flow control `" + cmd[1] + "': should be `none', `xonoff', or `hardware'");<a name="line.220"></a>
<FONT color="green">221</FONT>                    return;<a name="line.221"></a>
<FONT color="green">222</FONT>                }<a name="line.222"></a>
<FONT color="green">223</FONT>                log.info("setting flow control mode to " + cmd[1]);<a name="line.223"></a>
<FONT color="green">224</FONT>                this.port.setFlowControlMode(this.flowControl);<a name="line.224"></a>
<FONT color="green">225</FONT>                return;<a name="line.225"></a>
<FONT color="green">226</FONT>            }<a name="line.226"></a>
<FONT color="green">227</FONT>            if (cmd[0].equals("dtr") &amp;&amp; cmd.length == 2) {<a name="line.227"></a>
<FONT color="green">228</FONT>                this.dtr = cmd[1].equals("1") || Boolean.parseBoolean(cmd[1]);<a name="line.228"></a>
<FONT color="green">229</FONT>                log.info("setting DTR to " + (this.dtr ? "1" : "0"));<a name="line.229"></a>
<FONT color="green">230</FONT>                this.port.setDTR(this.dtr);<a name="line.230"></a>
<FONT color="green">231</FONT>                return;<a name="line.231"></a>
<FONT color="green">232</FONT>            }<a name="line.232"></a>
<FONT color="green">233</FONT>            if (cmd[0].equals("rts") &amp;&amp; cmd.length == 2) {<a name="line.233"></a>
<FONT color="green">234</FONT>                this.rts = cmd[1].equals("1") || Boolean.parseBoolean(cmd[1]);<a name="line.234"></a>
<FONT color="green">235</FONT>                log.info("setting RTS to " + (this.rts ? "1" : "0"));<a name="line.235"></a>
<FONT color="green">236</FONT>                this.port.setRTS(this.rts);<a name="line.236"></a>
<FONT color="green">237</FONT>                return;<a name="line.237"></a>
<FONT color="green">238</FONT>            }<a name="line.238"></a>
<FONT color="green">239</FONT>            log.error("unknown command `" + cmd[0] + "'");<a name="line.239"></a>
<FONT color="green">240</FONT>        }<a name="line.240"></a>
<FONT color="green">241</FONT>    <a name="line.241"></a>
<FONT color="green">242</FONT>        @Override<a name="line.242"></a>
<FONT color="green">243</FONT>        public void serialEvent(SerialPortEvent event) {<a name="line.243"></a>
<FONT color="green">244</FONT>            if (event.getEventType() != SerialPortEvent.DATA_AVAILABLE)<a name="line.244"></a>
<FONT color="green">245</FONT>                log.info("rec'd serial port event " + decodeSerialEvent(event));<a name="line.245"></a>
<FONT color="green">246</FONT>            if (!this.useThread) {<a name="line.246"></a>
<FONT color="green">247</FONT>                while (true) {<a name="line.247"></a>
<FONT color="green">248</FONT>    <a name="line.248"></a>
<FONT color="green">249</FONT>                    // Any more data to read?<a name="line.249"></a>
<FONT color="green">250</FONT>                    try {<a name="line.250"></a>
<FONT color="green">251</FONT>                        if (this.port.getInputStream().available() &lt;= 0)<a name="line.251"></a>
<FONT color="green">252</FONT>                            break;<a name="line.252"></a>
<FONT color="green">253</FONT>                    } catch (IOException e) {<a name="line.253"></a>
<FONT color="green">254</FONT>                        if (!this.done) {<a name="line.254"></a>
<FONT color="green">255</FONT>                            log.error("exception while reading: " + e);<a name="line.255"></a>
<FONT color="green">256</FONT>                            this.done = true;<a name="line.256"></a>
<FONT color="green">257</FONT>                        }<a name="line.257"></a>
<FONT color="green">258</FONT>                    }<a name="line.258"></a>
<FONT color="green">259</FONT>    <a name="line.259"></a>
<FONT color="green">260</FONT>                    // Read it<a name="line.260"></a>
<FONT color="green">261</FONT>                    readData();<a name="line.261"></a>
<FONT color="green">262</FONT>                }<a name="line.262"></a>
<FONT color="green">263</FONT>            }<a name="line.263"></a>
<FONT color="green">264</FONT>        }<a name="line.264"></a>
<FONT color="green">265</FONT>    <a name="line.265"></a>
<FONT color="green">266</FONT>        private void readData() {<a name="line.266"></a>
<FONT color="green">267</FONT>            byte[] buf = new byte[8192];<a name="line.267"></a>
<FONT color="green">268</FONT>            int r;<a name="line.268"></a>
<FONT color="green">269</FONT>            try {<a name="line.269"></a>
<FONT color="green">270</FONT>                r = this.port.getInputStream().read(buf);<a name="line.270"></a>
<FONT color="green">271</FONT>            } catch (IOException e) {<a name="line.271"></a>
<FONT color="green">272</FONT>                if (!this.done) {<a name="line.272"></a>
<FONT color="green">273</FONT>                    log.error("exception while reading: " + e);<a name="line.273"></a>
<FONT color="green">274</FONT>                    this.done = true;<a name="line.274"></a>
<FONT color="green">275</FONT>                }<a name="line.275"></a>
<FONT color="green">276</FONT>                return;<a name="line.276"></a>
<FONT color="green">277</FONT>            }<a name="line.277"></a>
<FONT color="green">278</FONT>            if (r == -1) {<a name="line.278"></a>
<FONT color="green">279</FONT>                if (!this.done) {<a name="line.279"></a>
<FONT color="green">280</FONT>                    log.error("read EOF from stream");<a name="line.280"></a>
<FONT color="green">281</FONT>                    this.done = true;<a name="line.281"></a>
<FONT color="green">282</FONT>                }<a name="line.282"></a>
<FONT color="green">283</FONT>                return;<a name="line.283"></a>
<FONT color="green">284</FONT>            }<a name="line.284"></a>
<FONT color="green">285</FONT>            char[] cbuf = new char[r];<a name="line.285"></a>
<FONT color="green">286</FONT>            for (int i = 0; i &lt; r; i++)<a name="line.286"></a>
<FONT color="green">287</FONT>                cbuf[i] = (char)(buf[i] &amp; 0xff);<a name="line.287"></a>
<FONT color="green">288</FONT>            String s = new String(cbuf);<a name="line.288"></a>
<FONT color="green">289</FONT>            if (this.logInput) {<a name="line.289"></a>
<FONT color="green">290</FONT>                s = s.replaceAll("\n", "\\n").replaceAll("\r", "\\r").replaceAll("\t", "\\t");<a name="line.290"></a>
<FONT color="green">291</FONT>                log.info("RECV: [" + s + "]");<a name="line.291"></a>
<FONT color="green">292</FONT>            } else {<a name="line.292"></a>
<FONT color="green">293</FONT>                System.out.print(s);<a name="line.293"></a>
<FONT color="green">294</FONT>                System.out.flush();<a name="line.294"></a>
<FONT color="green">295</FONT>            }<a name="line.295"></a>
<FONT color="green">296</FONT>        }<a name="line.296"></a>
<FONT color="green">297</FONT>    <a name="line.297"></a>
<FONT color="green">298</FONT>        public static String decodeSerialEvent(SerialPortEvent event) {<a name="line.298"></a>
<FONT color="green">299</FONT>            String name;<a name="line.299"></a>
<FONT color="green">300</FONT>            switch (event.getEventType()) {<a name="line.300"></a>
<FONT color="green">301</FONT>            case SerialPortEvent.BI:<a name="line.301"></a>
<FONT color="green">302</FONT>                name = "BREAK";<a name="line.302"></a>
<FONT color="green">303</FONT>                break;<a name="line.303"></a>
<FONT color="green">304</FONT>            case SerialPortEvent.CD:<a name="line.304"></a>
<FONT color="green">305</FONT>                name = "CARRIER-DETECT";<a name="line.305"></a>
<FONT color="green">306</FONT>                break;<a name="line.306"></a>
<FONT color="green">307</FONT>            case SerialPortEvent.CTS:<a name="line.307"></a>
<FONT color="green">308</FONT>                name = "CTS";<a name="line.308"></a>
<FONT color="green">309</FONT>                break;<a name="line.309"></a>
<FONT color="green">310</FONT>            case SerialPortEvent.DATA_AVAILABLE:<a name="line.310"></a>
<FONT color="green">311</FONT>                name = "DATA_AVAILABLE";<a name="line.311"></a>
<FONT color="green">312</FONT>                break;<a name="line.312"></a>
<FONT color="green">313</FONT>            case SerialPortEvent.DSR:<a name="line.313"></a>
<FONT color="green">314</FONT>                name = "DSR";<a name="line.314"></a>
<FONT color="green">315</FONT>                break;<a name="line.315"></a>
<FONT color="green">316</FONT>            case SerialPortEvent.FE:<a name="line.316"></a>
<FONT color="green">317</FONT>                name = "FRAMING-ERROR";<a name="line.317"></a>
<FONT color="green">318</FONT>                break;<a name="line.318"></a>
<FONT color="green">319</FONT>            case SerialPortEvent.OE:<a name="line.319"></a>
<FONT color="green">320</FONT>                name = "OVERFLOW-ERROR";<a name="line.320"></a>
<FONT color="green">321</FONT>                break;<a name="line.321"></a>
<FONT color="green">322</FONT>            case SerialPortEvent.OUTPUT_BUFFER_EMPTY:<a name="line.322"></a>
<FONT color="green">323</FONT>                name = "OUTPUT-BUFFER-EMPTY";<a name="line.323"></a>
<FONT color="green">324</FONT>                break;<a name="line.324"></a>
<FONT color="green">325</FONT>            case SerialPortEvent.PE:<a name="line.325"></a>
<FONT color="green">326</FONT>                name = "PARITY-ERROR";<a name="line.326"></a>
<FONT color="green">327</FONT>                break;<a name="line.327"></a>
<FONT color="green">328</FONT>            case SerialPortEvent.RI:<a name="line.328"></a>
<FONT color="green">329</FONT>                name = "RING-INDICATION";<a name="line.329"></a>
<FONT color="green">330</FONT>                break;<a name="line.330"></a>
<FONT color="green">331</FONT>            default:<a name="line.331"></a>
<FONT color="green">332</FONT>                name = "?" + event.getEventType() + "?";<a name="line.332"></a>
<FONT color="green">333</FONT>                break;<a name="line.333"></a>
<FONT color="green">334</FONT>            }<a name="line.334"></a>
<FONT color="green">335</FONT>            String oldValue = event.getOldValue() ? "0" : "1";<a name="line.335"></a>
<FONT color="green">336</FONT>            String newValue = event.getNewValue() ? "0" : "1";<a name="line.336"></a>
<FONT color="green">337</FONT>            return name + " " + oldValue + " -&gt; " + newValue;<a name="line.337"></a>
<FONT color="green">338</FONT>        }<a name="line.338"></a>
<FONT color="green">339</FONT>    }<a name="line.339"></a>
<FONT color="green">340</FONT>    <a name="line.340"></a>




























































</PRE>
</BODY>
</HTML>
